/* banner */
#banner{
    height: 400px;
}
#banner img{
    width: 100%;
    height: 100%;
}
/* 介绍 */
#introduce{
    height: 641px;
}
/* 版心 */
.introduce_banxin{
    width: 1114px;
    height: 641px;
    margin: auto;
}
/* 介绍上 */
.introduce_banxin_top{
    width: 1114px;
    height: 72px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
/* 介绍上左 */
.introduce_banxin_top_left{
    width: 339px;
    height: 72px;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.introduce_banxin_top_left_first{
    width: 113px;
    height: 72px;
    cursor: pointer;
}
.introduce_banxin_top_left_first div:nth-of-type(1){
    color: #333;
    font-size: 16px;
    margin-top: 36px;
}
.introduce_banxin_top_left_first div:nth-of-type(2){
    color: #999;
    font-size: 12px;
}
.introduce_banxin_top_left_second{
    width: 113px;
    height: 72px;
    cursor: pointer;
}
.introduce_banxin_top_left_second div:nth-of-type(1){
    color: #333;
    font-size: 16px;
    margin-top: 36px;
}
.introduce_banxin_top_left_second div:nth-of-type(2){
    color: #999;
    font-size: 12px;
}.introduce_banxin_top_left_third{
    width: 113px;
    height: 72px;
    cursor: pointer;
}
.introduce_banxin_top_left_third div:nth-of-type(1){
    color: #333;
    font-size: 16px;
    margin-top: 36px;
}
.introduce_banxin_top_left_third div:nth-of-type(2){
    color: #999;
    font-size: 12px;
}
/* 介绍上右 */
.introduce_banxin_top_right{
    font-size: 14px;
}
.introduce_banxin_top_right a:nth-of-type(1){
    color: #333;
}
.introduce_banxin_top_right a:nth-of-type(2){
    color: #999;
}
.introduce_banxin_top_right a:nth-of-type(3){
    color: #999;
}
.introduce_banxin_top_right a:nth-of-type(4){
    color: #333;
}
.introduce_banxin hr{
    width: 1114px;
    height: 1px;
    background: #D5D5D5;
    opacity: 0.05;
}
/* 介绍下面 */
.introduce_banxin_bottom1{
    width: 1114px;
    height: 547px;
    margin-top: 23px;
    display: none;
}
.introduce_banxin_bottom1>img{
    width: 1114px;
}
.introduce_banxin_bottom1_word_top,.introduce_banxin_bottom1_word_bottom{
    margin-top: 27px;
    text-indent: 2em;
    font-size: 14px;
    color: #666;
    line-height: 24px;
}
.appear{
    display: block !important;
}
.introduce_banxin_bottom2{
    display: none;
    height: 570px;
}
.introduce_banxin_bottom2 hr{
    margin-top: 27px;
}
.introduce_banxin_bottom2_div{
    display: flex;
    margin-top: 30px;
    height: 63px;
    box-sizing: border-box;
}
.introduce_banxin_bottom2_div1{    
    width: 55px;
    height: 63px;
    border-right: 1px solid rgba(242, 242, 242, 0.95);
}
.introduce_banxin_bottom2_div1 div:nth-of-type(1){
    font-size: 34px;
    color: #866961;
}
.introduce_banxin_bottom2_div1 div:nth-of-type(2){
    font-size: 14px;
    color: #999;
}
.introduce_banxin_bottom2_div2{
    margin-left: 18px;  
}
.introduce_banxin_bottom2_div2 div:nth-of-type(1){
    font-size: 16px;
    color: #866961;
}
.introduce_banxin_bottom2_div2 div:nth-of-type(2){
    font-size: 14px;
    color: #666;
    margin-top: 19px;
}
.introduce_banxin_bottom3{
    height: 570px;
    display: none;
}
.introduce_banxin_bottom3_div{
    display: flex;
    font-size: 14px;
    color: #866961;
    line-height: 24px;
    margin-top: 25px;
}
.introduce_banxin_bottom3_div div:nth-of-type(2){
    margin-left: 60px;
}